GORIZONT 18 (20107)

COSPAR: 1989-052A | Alt Name: Gorizont

Image
GORIZONT 18 Satellite Image
Additional Sources
Launch Details

Launch Date

July 5, 1989

Launch Pad

LC200/40

Launch Vehicle

Proton-K/DM-2

Orbital Elements

NORAD ID

20107

International Designator

1989-052A

Epoch

Fri, 03 Jul 2026 22:52:47 GMT

Apogee

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Perigee

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Inclination

12.37°

Right Ascension

334.36°

Eccentricity

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Argument of Perigee

348.18°

Period

1448.73 min

Mean Motion

0.99 rev/day

Latitude

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Longitude

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Altitude

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Velocity

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Polar Plot
3D Visualization
Basic Satellite Info

Name

GORIZONT 18

Alternative Name

Gorizont

Type

Payload

Status

Non-operational

Owner

MSVYAZ

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 20107U 89052A   26184.95332773 -.00000006  00000-0  00000-0 0  9991
2 20107  12.3712 334.3633 0036438 348.1778  24.7477  0.99397114134580

Source: Celestrak

Summary
GORIZONT 18, also known as Gorizont, is a communication satellite with the OBJECT_ID of 1989-052A and was launched on July 5, 1989, from the TYSMC launch site using LC200/40 pad aboard a Proton-K/DM-2 launch vehicle. The satellite has dimensions of 5.5 meters in length, 3.3 meters in diameter, and spans 9.5 meters when fully deployed. It was manufactured by NPOPM for MSVYAZ with the purpose of communication services. Gorizont 18 is equipped with 6 C-band transponders and 1 Ku-band transponder, along with two deployable solar arrays and batteries to provide power. The satellite's dry mass is 2000 kg, while its launch mass was 2120 kg. Its shape consists of a cylinder with two panels, and it has a radar cross-section (RCS) value of 3.1623. Gorizont 18 had an expected operational lifetime of three years and was stabilized by July 6, 1989.
Physical Characteristics

Length

5.5

Diameter

3.3

Span

9.5

Dry Mass

2000

Launch Mass

2120

Shape

Cyl + 2 Pan

Radar Cross Section

3.1623

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Gorizont No. 27L

Purpose

Communication

Mission

Communication

Manufacturer

NPOPM

Life Expectancy

3 years

Bus

Gorizont

Configuration

KAUR-3

Motor

Unknown

Equipment

6 C-band transponders, 1 Ku-band transponder

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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